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Distributed technical review method

A distributed and technical review technology, which is applied in the direction of selective content distribution, color TV parts, TV system parts, etc., can solve the problems that programs cannot be broadcast, programs cannot be guaranteed, and consume large hardware resources. The effect of fast and efficient task execution

Active Publication Date: 2015-03-11
BEIJING ZHONGKE DAYANG INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] With the increase of the business volume of TV stations, the efficiency of technical review of digital programs often cannot meet the requirements of program preparation and broadcasting, especially the technical review of encoding format and video quality, which needs to consume a lot of hardware resources. When redoing or modifying, the technical review will be carried out again after the program has been modified. The current technical review efficiency cannot guarantee that the program can pass the technical review efficiently, which will affect the progress of the program preparation and broadcast, resulting in the failure of the program to be broadcast on the specified time.

Method used

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Embodiment 1

[0032] This embodiment is a method for distributed technical examination, the system used in the method includes: a technical examination file receiving unit set in a server or a server cluster or a cloud server, a segmentation unit, and a multi-threaded video content The technical examination unit of the detection engine and codec format detection engine, and the report merging unit with the technical examination result queue, such as figure 1 shown.

[0033] The system used in the method described in this embodiment can be implemented in a flexible manner, and can be implemented as a set of servers including multiple technical examination node clusters, or can deploy various software modules to a cloud computing platform to realize cloud automatic technical examination . If it is a server, it will be deployed in user computer room environments such as TV stations and Internet TV stations; if it is cloud automatic technical review, the technical review service will be provid...

Embodiment 2

[0057] This is an improvement of Embodiment 1, and it is a refinement of Embodiment 1 on the "steps of technical examination by section". The "steps of segmented technical review" described in this embodiment includes the following sub-steps:

[0058] The sub-step of decoding: it is used to decode the segmented file according to the position of the in point and the out point, and decode it into uncompressed video data. Since the file has already been segmented, multiple threads can be used to simultaneously decode each segment in this step to speed up the decoding speed.

[0059] The sub-steps of parallel technical examination: the technical examination node starts different threads to respectively call the video content detection engine and codec format detection engine to detect uncompressed video and audio data. The technical review analyzes each frame of video and audio data of the detected material, and calculates and compares the analyzed data with relevant standards, s...

Embodiment 3

[0062] This embodiment is an improvement of the above-mentioned embodiment, and the refinement of the "report merging step" in the above-mentioned embodiment, such as Figure 4 shown. The "report merging step" described in this embodiment includes the following sub-steps:

[0063] The sub-step of storing the first test result: it is used to add the test result in the first segment to the technical examination result queue. During the merge process, the data in the technical review result queue will change dynamically until it becomes the final technical review result queue after the merger is completed.

[0064] Sequentially detect the sub-step of the next segment: used to traverse the first detection result in the next segment, if the entry-exit point interval of the last detection result in the technical examination result queue contains the entry-exit point interval of the detection result, continue scanning The next test result in this section, until its entry and exit p...

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Abstract

The invention relates to a distributed technical review method. The method comprises the following steps: receiving a technical review file; segmenting the file; performing sectional technical review; and merging reports, wherein the step of segmenting the file comprises the following sub-steps: determining the number of segments; searching the longest duration of video technical review; searching the longest duration of audio technical review; converting into duration in frame unit; acquiring the superposition length; determining the segment length; and segmenting the file. According to the method disclosed by the invention, the GPU computing capability of local resources is fully utilized by virtue of a task segmenting mode. A segmented superposition area is set under the condition that the characteristics and needs of the technical review are fully considered, and the technical review quality is not influenced by the segments. Compared with a traditional technical review method, the method disclosed by the invention has the advantages that local computing resources are fully utilized, the computing capability which cannot be utilized in the traditional method is integrated into a system method, the benefits of single server resources in the traditional method are extended to more local resources, and the aim of rapidly and efficiently executing a task is achieved.

Description

technical field [0001] The invention relates to a distributed technical examination method and an electronic digital processing method, which is a method for inspecting and processing digital video files. Background technique [0002] With the increase of the business volume of TV stations, the efficiency of technical review of digital programs often cannot meet the requirements of program preparation and broadcasting, especially the technical review of coding format and video quality, which needs to consume a lot of hardware resources. When redoing or modifying, the technical review will be carried out again after the modification of the program. The current technical review efficiency cannot guarantee that the program can pass the technical review efficiently, which will affect the progress of the program preparation and broadcast, resulting in the failure of the program to be broadcast at the specified time. Contents of the invention [0003] In order to overcome the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/262H04N21/254H04N21/845
Inventor 李永葆曾国卿王彦彬韩利明杜伟张二丽张浩郭志芳胡海琴王兵
Owner BEIJING ZHONGKE DAYANG INFORMATION TECH CO LTD